A beam of electrons (of charge q, and mass m ) is shot into a region of uniform magnetic field with a speed of 50 m/s. They exit the region of uniform magnetic field opposite the direction they had entered. How strong must the magnetic field be such that each electron stayed in the region for a total of 10 ms? m a. 0.314–e с. 314 b. 0. 628– c m d. 628-
A beam of electrons (of charge q, and mass m ) is shot into a region of uniform magnetic field with a speed of 50 m/s. They exit the region of uniform magnetic field opposite the direction they had entered. How strong must the magnetic field be such that each electron stayed in the region for a total of 10 ms? m a. 0.314–e с. 314 b. 0. 628– c m d. 628-
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Transcribed Image Text:A beam of electrons (of charge q.
and mass m) is shot into a region of uniform magnetic field with a speed of 50 m/s.
They exit the region of uniform magnetic field opposite the direction they had
entered. How strong must the magnetic field be such that each electron stayed in the
region for a total of 10 ms?
m
т
а. 0. 314-е
9.
с. 314—
9.
m
т
b. 0.628-с
9.
d. 628
9.
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